body {
  margin: 0 auto;
  font-family: 微软雅黑;
  background-color: rgb(248, 249, 250);
  background-image: url("../image/bg.jpg");
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: center top;
}

header {
  margin: 0 auto;
  /* width: 1920px; */
  background-color: rgba(44, 62, 90, 0.9);
}

.nav {
  display: flex;
  margin: 0 auto;
  width: 1300px;
  height: 87px;
  justify-content: space-between;
  border-left: 2px solid #4d7bbd;
}

.little-logo {
  float: left;
  margin-left: 24px;
}
.nav_user {
  float: left;
  font-size: 20px;
  height: 87px;
  line-height: 87px;
  padding-left: 40px;
  color: #fff;
}
.nav_user:hover {
  color: rgb(49, 68, 94);
}

.nav_main {
  width: 40%;
  line-height: 87px;
  height: 87px;
  display: flex;
  justify-content: flex-end;
  flex-wrap: nowrap;
}
.nav_item {
  font-size: 18px;
  flex: auto;
  box-sizing: border-box;
  height: 100%;
  line-height: 87px;
  text-align: center;
  color: #fff;
  /* background-color: rgba(49, 68, 94, 0.6); */

  cursor: pointer;
}
.nav_item a {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0px 1px;
  font-size: 18px;
  color: #fff;
  /* background-color: rgba(49, 68, 94, 0.6); */
}
.nav_item a:hover {
  background-color: rgb(225, 239, 248);
  color: rgba(44, 62, 90, 0.9);
}
.two_menu li {
  border-radius: 0;
}

footer {
  width: 1204px;
  margin: 0 auto;
  color: #bec1c1;
}
.footer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* background-color: skyblue; */
  margin: 20px 0px;
}
.footer-item span {
  height: 20px;
  line-height: 20px;
}
.footer-item ul {
  display: flex;
  justify-content: flex-end;
}
.footer-item ul li {
  padding: 10px;
}
.footer-item ul li a {
  color: #bec1c1;
}
.footer-item:last-child {
  border-top: 2px solid #bec1c1;
}
